Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://driver-jazda.pl/upload/file/36442318654.pdf In PDF document text

  • https://sunrise-photon.com/upfiles/editor/files/xobibimalemewopu.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139d08a8d49b---dumisiradapimenotid.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/gulasowajituluzij.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1613082bab4c77---55275267546.pdfPDF link annotation
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137d387da54d---74529964720.pdfIn PDF document text
  • https://hiperaktivite.info/userfiles/files/13095818392.pdfIn PDF document text
  • https://perkunasstudio.com/uploads/files/202109052349264968.pdfIn PDF document text
  • http://ergo-logo-bamberg.de/userfiles/file/rezukefanebipuw.pdfIn PDF document text
  • https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/zilape.pdfIn PDF document text
  • http://idealthailand.com/file_media/file_image/file/budisamupi.pdfIn PDF document text
  • http://chaitraglaze.com/uploads/77056084826.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135819b6e786---63643835752.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/79662212439.pdfIn PDF document text
  • http://kkslavicin.cz/sites/default/files/file/ketoxijukoburepemabot.pdfIn PDF document text
  • http://sunway.me/uploads/file/10115259349.pdfIn PDF document text
  • https://thinkglobalcompliance.com/ckfinder/userfiles/files/48637458426.pdfIn PDF document text
  • https://forexinc.ca/upload/editor/file/wubifenalifud.pdfIn PDF document text
  • http://vendsol.com/userfiles/file/wodax.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/e7mut0g80eo4urrdcvfao9coe5/3091918786.pdfIn PDF document text
  • https://gastriklandsbf.se/UserFiles/files/67791869553.pdfIn PDF document text
  • http://gocep.org/data/userfiles/files/70620435090.pdfIn PDF document text
  • http://agisinfo.ru/uploads/content/files/kuzirerilam.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=delete+history+from+my+phonePDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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